The Metal Feng Shui Wind Chime is based on the Chinese philosophical belief that all five elements will bring balance and positive flow of energy into your garden, backyard or home. The metal element represents strength, determination, and persistence. The five basic popular elements of Feng Shui is Earth, Fire, Water, Metal and Wood. In the Japanese culture, Metal and Wood are replaced by Wind and Void (Sky or Heaven). Collect all five to balance your home and life. The beautiful sound is tuned to a five note scale.